body{
  font-size:16px;background-color: #F0F0F0;margin: 0
}
.searchWrap{display: flex}
.PTreesDemo .btnSaveB{    background: #3997EE;font-size: 20px;
    text-align: center;
    border-radius: 3px; 
    color: #fff;}

.PTreesDemo .ret {
    padding: 8px 11px;
    padding-left: 0;
    border-bottom: 1px solid #ccc;
}

.PTreesDemo .lab {
    padding: 5px 11px;
    margin-right: 19px;
    border-radius: 7px;
    color: #2b9aca;
    padding-left: 0;
}
  
  .PTreesDemo .firstWrap{    text-indent: 30px;}
 .PTreesDemo .twoWrap{    text-indent: 60px;}
 .PTreesDemo .threeWrap{   text-indent: 74px;}
 
 